diff --git a/src/main/java/com/muyu/system/service/impl/BuyServiceImpl.java b/src/main/java/com/muyu/system/service/impl/BuyServiceImpl.java
index 77dca52..8b6e5e2 100644
--- a/src/main/java/com/muyu/system/service/impl/BuyServiceImpl.java
+++ b/src/main/java/com/muyu/system/service/impl/BuyServiceImpl.java
@@ -47,7 +47,7 @@ public class BuyServiceImpl extends ServiceImpl<BuyMapper, Connector> implements
             buyMapper.buyPrice(user);
             ConnectorLog connectorLog = new ConnectorLog();
             connectorLog.setDataName(connectorUser.getConnectorName());
-            connectorLog.setAmount(connectorLog.getAmount() + (connectorUser.getConnectorFrequency() * connectorUser.getConnectorPrice()));
+            connectorLog.setAmount((connectorUser.getConnectorFrequency() * connectorUser.getConnectorPrice()));
             // 插入购买记录
             buyMapper.insertPurchaseRecord(connectorLog);
             return Result.success(i,"购买成功");